embraced by Hispanics, Arabs, Blacks & Asians; Four humors of body: blood, phlegm, black bile, yellow bile—regulate basic body functions, temp, dryness, and moisture.Treatment consists of adding/subtracting cold/heat, dryness/wetness to restore balance of humors. Drinks,foods,herbs, medicines and diseases-classified as hot/cold according to effects on body. Cold illnesses: earache,chest cramps,paralysis,GI discomfort, rheumatism,TB. Overheating illnesses: abscessed teeth,sore throats,rashes,kidney disorders